The fish fauna of the upper Piraí drainage, a transposed mountain river system in southeastern, Brazil de Brito, Victor Buckup, Paulo Andreas Check List 2019 2019-02-22 15 1 235 247 69PZ5 Travassos, 1967 Travassos 1967 [813,1216,1583,1608] Actinopterygii Crenuchidae Characidium Animalia Characiformes 2 237 Chordata species vidali  Geographic distribution: Coastal rivers between Guanabara bay and Paraíbado Sul river basins. Diagnosis:  Characidium vidalican be distinguished from  C. lauroiby the presence of vertical polyhedric dark marks along the medium and inferior portion of the body and by having pigmentation bars on caudal fin ( Buckup et al. 2014).